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D.C. Municipal Regulations (Last Updated: September 13, 2017) |
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Title 12. CONSTRUCTION CODES SUPPLEMENT OF 2013 |
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SubTilte 12-A. BUILDING CODE SUPPLEMENT OF 2013 |
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Chapter 12-A2. DEFINITIONS |
Section 12-A202. DEFINITIONS
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Strike the definitions of ADDITION, BUILDING OFFICIAL and EXISTING STRUCTURE (for Chapter 34) in Section 202 of the International Building Code in their entirety and insert new definitions in Section 202 of the Building Code in their place. Insert the following new definitions in Section 202 of the Building Code.
ADDITION. An extension or increase in the building area, aggregate floor area, number of stories, or height of a building or structure.
ADDRESS RANGE (for Section 118). The high and low values for the street numbers found on a block face. The address range is expressed as a low number and a high number representing the lowest and highest street numbers found or possible on a given block face.
ADMINISTRATIVE BULLETINS. Notices issued by the Department that represent official Department policies to assist applicants, staff and the public in following operational, technical and legal procedures.
ALLEY. Each public thoroughfare or private thoroughfare which is not a street.
ALLEY LINE EXTENDED (for Chapter 32). A line through the corner of a lot, at the intersection of an alley with the street, and perpendicular to the street.
ASSISTIVE LISTENING SYSTEM. An amplification system utilizing transmitters, receivers, and coupling devices to bypass the acoustical space between a sound source and a listener by means of induction loop, radio frequency, infrared, or direct-wired equipment.
BLOCK FACE (for Section 118). The right-of-way line along a public street or the property line at the edge of a private street segment. Each street segment shall have two block faces.
BUILDING OFFICIAL. The code official.
BUILDING RESTRICTION LINE. A line that defines a required set-back on a lot, a certain distance from the public right-of-way, that is recorded on the records of the Surveyor of the District of Columbia. Any area between a lot line adjoining a street and the building restriction line is private property set aside and treated as public space.
BUILDING RESTRICTION AREA. The portion of a lot between a building restriction line and a lot line adjoining a street.
BUSINESS DAY. A day other than Saturday, Sunday, or a legal holiday in the District of Columbia. If business day is not specified, a day shall mean a calendar day.
CODE OFFICIAL. The Director of the District of Columbia Department of Consumer and Regulatory Affairs, or a duly authorized representative, for administration and enforcement of the Construction Codes, including Fire Code provisions pertaining to approval, installation, design, modification, maintenance, testing, and inspection of all new and existing fire protection systems. References in the Fire Code to the code official shall refer to the Fire Chief of the District of Columbia Fire Department, or a duly authorized representative, except where the Fire Code provision pertains to approval, installation, design, modification, maintenance, testing, and inspection of all new and existing fire protection systems.
COMMUNITY-BASED RESIDENTIAL FACILITY (CBRF). A residential facility for persons who have a common need for treatment, rehabilitation, assistance, or supervision in their daily living. This definition includes, but is not limited to, facilities covered by the Health-Care and Community Residence Facility, Hospice and Home Care Licensure Act of 1983, effective February 24, 1984 (D.C. Law 5-48; D.C. Official Code §§ 44-501 to 44-509 (2012 Repl. and 2013 Supp.) (formerly codified at D.C. Official Code §§ 32-1301 to 32-1309 (1998 Repl. & 1999 Supp.))), and facilities formerly known as convalescent or nursing homes, residential halfway houses or social service centers, philanthropic or eleemosynary institutions, and personal care homes. A community-based residential facility may include separate living quarters for resident supervisors and their families.
DEMOLITION. Interior demolition and partial demolition.
DEMOLITION, INTERIOR. Work that involves the removal of interior non-bearing walls, elements or systems, or interior finishes.
DEMOLITION, PARTIAL. Work of a greater scope than demolition interior that includes the removal of structural elements (interior or exterior), exterior walls, roofs, or other exterior elements but is not a raze.
DEPARTMENT. The District of Columbia Department of Consumer and Regulatory Affairs, except that references to Department in the Fire Code shall refer to the District of Columbia Fire and Emergency Medical Services Department.
DISTRICTS, COMMERCIAL. C-prefixed zoning districts (or the successor thereto) as defined by the Zoning Regulations.
DISTRICTS, INDUSTRIAL. CM-prefixed and M-prefixed zoning districts (or the successors thereto) as defined by the Zoning Regulations.
DISTRICTS, MIXED-USE. CR-prefixed zoning districts (or the successor thereto) as defined by the Zoning Regulations.
DISTRICTS, RESIDENCE. R-prefixed zoning districts (or the successor thereto) as defined by the Zoning Regulations.
DISTRICTS, SPECIAL PURPOSE. SP-prefixed zoning districts (or the successor thereto) as defined by the Zoning Regulations.
DISTRICTS, WATERFRONT. W-prefixed zoning districts (or the successor thereto) as defined by the Zoning Regulations.
EXISTING BUILDING. Any building or structure that was erected and occupied or issued a certificate of occupancy at least one year before a construction permit application for that building or structure was made to the Department.
FLOOD HAZARD RULES. The provisions of Chapter 31 of Title 20 DCMR.
FLOODPLAIN MANAGEMENT REGULATIONS. The Flood Hazard Rules in combination with the flood protection provisions of the Construction Codes, including but not limited to flood load and flood resistant construction requirements in the Building Code, Residential Code and Existing Building Code.
LOT (for Section 118). A parcel of land that shall be classified as a record lot or a tax lot.
LOT LINE EXTENDED (for Chapter 32). The extension of a lot line through a corner of the lot that adjoins the street, perpendicular to the street.
MAIN ENTRANCE (for Section 118). The principal point of entry into a building or other structure from a public street, private street or officially named alley.
MAUSOLEUM. A permanent structure or building, located on burial grounds authorized pursuant to D.C. Official Code § 43-121, which is substantially exposed above the ground and used solely for the interment, entombment, or inurnment of human remains.
PARTY LINE. A lot line shared by adjoining lots.
PARTY LINE EXTENDED (for Chapter 32). The extension of a party line that adjoins the street, and perpendicular to the street.
PREMISES. A lot, plot or parcel of land, including any structures thereon, or a part of a lot, plot, parcel of land or structure.
PRIMARY ADDRESS (for Section 118). The address of the main entrance of a premises.
PRIVATE THOROUGHFARE (for Section 118). Streets, alleys and other thoroughfares where the underlying land is owned by private citizens or entities, or is part of existing tax or record lots adjoining a public thoroughfare.
PUBLIC THOROUGHFARE (for Section 118). Streets, alleys and other thoroughfares that are under the jurisdiction of the District of Columbia, any other public government, including the Federal Government or its branches, or by any adjoining state government.
PUBLIC PARKING. The area of a street devoted to open space, greenery, or parks which lies between the lot line and the edge of the actual or planned sidewalk which is nearer to the lot line, as such lot line and sidewalk are shown on the records of the District of Columbia.
PUBLIC RIGHT-OF-WAY. The surface, the air space above the surface, and the area below the surface of any public space.
PUBLIC SPACE. All the publicly owned property between lot lines, including streets, alleys, parks, and reservations. Any building restriction area, where the same exists on a lot, shall be treated as public space.
RAZE. The complete removal of any existing structure, with or without the removal of party walls and below grade portions of a structure.
RECORD LOT (for Section 118). A lot of record established pursuant to the Subdivision Regulations of the District of Columbia.
SECONDARY ADDRESS (for Section 118). An address created when a building has an entrance from the exterior, other than the main entrance, that directly serves a tenant different than that served by the main entrance.
STANDARDIZED ADDRESS (for Section 118). A street number, street number suffix, street name, street type, unit type, unit number, street quadrant, city name, state name, zip code and zip plus four designations.
STREET (for Section 118). A public or private thoroughfare, other than an alley, capable of permitting the passage of cars and other vehicles and pedestrians.
STREET (for Chapter 32). A public thoroughfare, other than an alley, as shown on the records of the District of Columbia, including any associated roadway, curb, sidewalk, tree space and public parking.
STREET NAME (for Section 118). The full proper name of a street, stored as an alphanumeric character string, the street type and the street quadrant.
STREET NUMBER (for Section 118). A number used to provide specific identification for a premises on a public or private thoroughfare in the District of Columbia, which may be a primary address or a secondary address. It shall be stored as a numeric value.
STREET NUMBER SUFFIX (for Section 118). A fraction that is attached to a street number in an existing address.
STREET QUADRANT (for Section 118). Two alphabetical characters that identify the geographic sector of the District of Columbia in which the address is located. All addresses in Washington, D.C., with the exception of the United States Capitol which is the central point of the addressing grid, shall have a street quadrant designation. The street quadrants are NE (Northeast), NW (Northwest), SE (Southeast) and SW (Southwest), and each quadrant shall be so abbreviated and capitalized. No street quadrant shall consist of a single cardinal direction (e.g., North).
STREET SEGMENT (for Section 118). The portion of a public or private street between its intersections with two other public or private streets.
STREET TYPE (for Section 118). The name of the type of street, such as avenue, street, road, circle, etc. It shall be stored in fully spelled out form as an alphabetical string. Street types are listed in the U.S. Postal Service Standards and in the National Emergency Number Association Standards (NENA). The code official is authorized to use street types not listed in either standard.
TAX LOT (for Section 118). An assessment and taxation lot established and recognized by the Office of Tax and Revenue of the District of Columbia excluding condominium lots and air-rights lots.
UNIT NUMBER (for Section 118). The designation of an individual unit, such as “A,” “Rear,” or “102”. It shall be stored as an alphanumeric string.
UNIT TYPE (for Section 118). The type of occupancy, such as an apartment, suite, or office space. It shall be stored as an alphabetic string.
VAULT (for Chapter 32). A structure that encloses space beneath the surface of the public space, which is covered over.
ZIP CODE (for Section 118). The five numeral code assigned by the U.S. Postal Service to the area in which the address is located.
ZIP PLUS FOUR (for Section 118). The four numeral code assigned by the U.S. Postal Service to the block face or building or building sector in which the address is located.